CHAPTER XV.--THE MEDICAL SERVICE. 185

_Personnel_ of the Medical Staff; duties. Sickness and low death rate in Prisons. Prisons described as the best sanatoria in England. Infectious disease. Venereal disease. Prison dietary. Insanity and mental defectiveness, estimated rates of; the Mental Deficiency Act, 1913. The 'Birmingham' experiment for mental investigation of remand prisoners. The Borstal System and physical development. The clinical laboratory; "Study-leave" for Medical Officers. The nursing of sick prisoners.